Deta
abbr. 二乙撑三胺；二亚乙基三胺
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
I think this is a fake diamond.
我想这是假钻石。
It's a bit windy today, isn't it?
今天有点风，是不是？